On Dec 4, 2013 4:39 PM, "sathishkumar sivagurunathan" <<a href="mailto:sathish1000@gmail.com">sathish1000@gmail.com</a>> wrote: > > On Dec 4, 2013 4:38 PM, <a href="mailto:sathish1000@gmail.com">sathish1000@gmail.com</a> wrote: >> >> >> > >> > Hi, >> > >> > >> > >> > I wrote a small c program to try to load a module.. But the module is not getting loaded. >> >> > Can anybody help me with this ? I have pasted the code below. >> > >> > >> > >> >> > >> > >> > >> > #include <stdio.h> >> > >> > #include <string.h> >> > >> > #include <pulse/pulseaudio.h> >> > >> > >> > >> > #define CLEAR_LINE "\n" >> > >> > #define _(x) x >> > >> > >> > >> > /* >> > >> > // From pulsecore/macro.h >> > >> > #define pa_memzero(x,l) (memset((x), 0, (l))) >> > >> > #define pa_zero(x) (pa_memzero(&(x), sizeof(x))) >> > >> > */ >> > >> > >> > >> > int ret; >> > >> > pa_context *context; >> > >> > int clientindex; >> > >> > int sink_num_channels; >> > >> > int sink_input_index; >> > >> > >> > >> > void show_error(char *s) { >> > >> > /* stub */ >> > >> > } >> > >> > >> > >> > void load_module_cb(pa_context *context, int32_t index, void *userdata) >> > >> > { >> > >> > printf ("Going out \n"); >> > >> > int * return_value_pointer = (int *) userdata; >> > >> > if (return_value_pointer) >> > >> > { >> > >> > *return_value_pointer = index; >> > >> > } >> > >> > } >> > >> > >> > >> > // This callback gets called when our context changes state. We really only >> > >> > // care about when it's ready or if it has failed >> > >> > void pa_state_cb(pa_context *c, void *userdata) { >> > >> > pa_context_state_t state; >> > >> > int *pa_ready = userdata; >> > >> > >> > >> > state = pa_context_get_state(c); >> > >> > switch (state) { >> > >> > // There are just here for reference >> > >> > case PA_CONTEXT_UNCONNECTED: >> > >> > case PA_CONTEXT_CONNECTING: >> > >> > case PA_CONTEXT_AUTHORIZING: >> > >> > case PA_CONTEXT_SETTING_NAME: >> > >> > default: >> > >> > break; >> > >> > case PA_CONTEXT_FAILED: >> > >> > case PA_CONTEXT_TERMINATED: >> > >> > *pa_ready = 2; >> > >> > break; >> > >> > case PA_CONTEXT_READY: >> > >> > *pa_ready = 1; >> > >> > break; >> > >> > } >> > >> > } >> > >> > >> > >> > int pa_get_devicelist() { >> > >> > // Define our pulse audio loop and connection variables >> > >> > pa_mainloop *pa_ml; >> > >> > pa_mainloop_api *pa_mlapi; >> > >> > pa_operation *pa_op; >> > >> > pa_context *pa_ctx; >> > >> > >> > >> > // We'll need these state variables to keep track of our requests >> > >> > int state = 0; >> > >> > int pa_ready = 0; >> > >> > >> > >> > >> > >> > // Create a mainloop API and connection to the default server >> > >> > pa_ml = pa_mainloop_new(); >> > >> > pa_mlapi = pa_mainloop_get_api(pa_ml); >> > >> > pa_ctx = pa_context_new(pa_mlapi, "test"); >> > >> > >> > >> > // This function connects to the pulse server >> > >> > pa_context_connect(pa_ctx, NULL, 0, NULL); >> > >> > >> > >> > // This function defines a callback so the server will tell us it's state. >> > >> > // Our callback will wait for the state to be ready. The callback will >> > >> > // modify the variable to 1 so we know when we have a connection and it's >> > >> > // ready. >> > >> > // If there's an error, the callback will set pa_ready to 2 >> > >> > pa_context_set_state_callback(pa_ctx, pa_state_cb, &pa_ready); >> > >> > >> > >> > // Now we'll enter into an infinite loop until we get the data we receive >> > >> > // or if there's an error >> > >> > //for (;;) { >> > >> > // We can't do anything until PA is ready, so just iterate the mainloop >> > >> > // and continue >> > >> > if (pa_ready == 0) { >> > >> > printf ("Going in \n"); >> > >> > pa_op=pa_context_load_module(pa_ctx, "module-role-cork", NULL, NULL, NULL); >> > >> > printf ("Going in1 \n"); >> > >> > if(pa_op) pa_operation_unref(pa_op); >> > >> > //continue; >> > >> > } >> > >> > // We couldn't get a connection to the server, so exit out >> > >> > if (pa_ready == 2) { >> > >> > pa_context_disconnect(pa_ctx); >> > >> > pa_context_unref(pa_ctx); >> > >> > pa_mainloop_free(pa_ml); >> > >> > return -1; >> > >> > } >> > >> > >> > >> > pa_context_disconnect(pa_ctx); >> > >> > pa_context_unref(pa_ctx); >> > >> > pa_mainloop_free(pa_ml); >> > >> > return 0; >> > >> > } >> > >> > >> > >> > int main(int argc, char *argv[]) { >> > >> > >> > >> > if (pa_get_devicelist() < 0) { >> > >> > fprintf(stderr, "failed to get device list\n"); >> > >> > return 1; >> > >> > } >> > >> > >> > >> > return 0; >> > >> > } >> > >> > >> > >> > Thanks, >> > >> > Sathish >> > >> >